An organic electric element according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode. The organic material layer includes a plurality of emission-auxiliary layers, and the HOMO energy levels of the plurality of emission-auxiliary layers are limited to specific conditions in relation to the neighboring organic material layers, thereby the driving voltage, the luminous efficiency and the life time of the organic electric element can be improved.

The present disclosure provides a nitrogen-containing compound, and an electronic component and an electronic device including the same, and belongs to the technical field of organic electroluminescence. The nitrogen-containing compound provided by the present disclosure has polycyclic conjugation properties, the compound has a core structure of fused indolocarbazole. The bond energy between the atoms is high, thus the compound has a good thermal stability, and facilitates solid state accumulation between the molecules. The electroluminescence device with the compound as a luminescent layer material has a long service life. According to the nitrogen-containing compound provided by the present disclosure with an indolocarbazole structure connecting with a nitrogen-containing group (triazine, pyridine and pyrimidine) and a benzoxazole or benzothiazole group respectively has a high dipole moment, thereby improving the polarity of the material. Using the nitrogen-containing compound of the present disclosure as the luminescent layer material of the organic electroluminescence device, the electron transport performance of the device can be improved, and the luminous efficiency and service life of the device can be improved.

Organic photovoltaic cells (OPVs) and their compositions are described herein. one or more embodiments, the acceptor with an active layer of an OPV includes is a non-fullerene acceptor. Such non-fullerene acceptors may provide improved OPV performance characteristics such as improved power conversion efficiency, open circuit voltage, fill factor, short circuit current, and/or external quantum efficiency.

The present invention relates to an organic electroluminescent device comprising an anode, a cathode, an emission layer, an undoped electron transport layer comprising a first matrix compound, and an electron injection layer comprising a second matrix compound and an alkali organic complex and/or alkali halide, wherein the undoped electron transport layer and the electron injection layer are arranged between the emission layer and the cathode, wherein the reduction potential of the first matrix compound is less negative than, the reduction potential of 9,10-di(naphthalen-2-yl)anthracene and more negative than the reduction potential of 4,4′-bis(4,6-diphenyl-1,3,5-triazin-2-yl)biphenyl, wherein the reduction potential in both cases is measured against Fc/Fc.sup.+ in tetrahydrofurane; and the dipole moment of the first matrix compound is selected ≥0 Debye and ≤2.5 Debye and the dipole moment of the second matrix compound is selected >2.5 and <10 Debye.

The present invention relates to a composition which comprises an electron-transporting host and a hole-transporting host, to the use thereof in electronic devices and to electronic devices containing this composition. The electron-transporting host is particularly preferably selected from the class of the triazine-dibenzofuran-carbazole systems or the class of the triazine-dibenzothiophene-carbazole systems. The hole-transporting host is preferably selected from the class of the biscarbazoles.

The present application relates to a compound which contains an indenocarbazole group, a particular arylamino group and an electron-deficient group bonded to the indenocarbazole group. The compound is suitable for use in electronic devices, in particular in organic electroluminescent devices.

The present invention relates to: a compound for an organic optoelectronic diode, represented by a combination of chemical formulas 1 and 2; an organic optoelectronic diode comprising the same; and a display device comprising the organic optoelectronic diode. The detailed contents of formulas 1 and 2 are the same as those defined in the specification.

The present specification provides a compound having a spiro structure, and an organic light emitting device including the same.

An organic photoelectronic device includes a first electrode and a second electrode facing each other and a light-absorption layer between the first electrode and the second electrode and including a photoelectric conversion region including a p-type light-absorbing material and an n-type light-absorbing material and a doped region including an exciton quencher and at least one of the p-type light-absorbing material and the n-type light-absorbing material, wherein at least one of the p-type light-absorbing material and the n-type light-absorbing material selectively absorbs a part of visible light, and an image sensor includes the same.

Polymers comprising at least one unit of formula (1) and their use as semiconducting materials.

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